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(11) | EP 0 863 364 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Heat-recovery boiler provided with divergent duct |
(57) A heat-recovery boiler provided with a divergent duct that runs from the outlet of
a turbine to the inlet of a boiler; the covering wall of the divergent duct, which
runs from the top of the boiler to the top of the outlet of the turbine, is inclined
at an angle (α) which is greater than 45° and up to 75° with respect to the horizontal
plane; the divergent duct is connected with the upper part of the outlet of the turbine
by means of an arc-shaped wall portion; inside the divergent duct, in the region delimited
by the arc- shaped wall, gas stream conveyance profiles are provided which are arranged
in succession and in adjacent rows. |